Punjab State Board Class 7 Maths Solutions For Chapter 1 Integers

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Punjab State Board Class 7 Maths Solutions For Chapter 1 Integers

Choose the correct answers:

1. (-21) -(-10) =…………..

  1. -21
  2. 10
  3. -11
  4. 11

Answer: 3

2. Additive inverse of -5 is………

  1. +1
  2. 5
  3. -1/5
  4. 1/5

Answer: 2

3. The pair of integers whose stun -4 is……

  1. (-1,5)
  2. (-5,1)
  3. (0, 4)
  4. (-2,2)

Answer: 2

4. The value of (10)+ (-2) lies between ………….

  1. 0 and 10
  2. -10 and -6
  3. -4 and 0
  4. -6 and 6

Answer: 4

Punjab State Board Class 7 Maths Chapter 1 Integers Solutions

5. The number line represents

  1. 4 x (-3)
  2. (-4) x 3
  3. (-12) x(-3)
  4. (-3) x 3

Answer: 1

Observe the figure the distance of fish from sea level is

6. Observe the figure, the distance of fish from sea level is ……..

  1. 35m
  2. 50m
  3. -35m
  4. 25m

Answer: 3

7. Match the integerin column A to an integerin column B. So that eachpart of integer has difference between -3 and -10.

Col A                                     Col B

a) -2                  (  )                   i) 17

b) 3                   (  )                   ii) 5

c) -7                  (  )                   iii) 9

d) 9                   (  )                   iv) -2

  1. a-i,b-ii, c-iii, d-iv
  2. a-ii,b-iii, c-iv, d-i
  3. a-iii,b-iv, c-i, d-ii
  4. a-iv,b-i, c-ii, d-iii

Answer: 2

8. The property 10 x (6-(-2)) = (10 x 6) – (10 x (2)) is called …….property

  1. closure
  2. commutative
  3. associative
  4. distributive

Answer: 4

9. If (-16) (4 + (A)) = -8 then A = ( – )

  1. 4
  2. 8
  3. 2
  4. -2

Answer: 3

10. In the pattern

(-1) x (-1) =1
(-1) x 0 = 0
(-1) x 1 = -1
(-1) x 5 =….

  1. -1
  2. 0
  3. -5
  4. 5

Answer: 3

11. If A is on operation such that pAq = p x p + q x q-p x q for any integers p, q, then 2A (-5)

  1. 39
  2. 29
  3. 19
  4. -39

Answer: 1

Punjab State Board Class 7 Maths Chapter 1 Integers Solutions

12. In the following number line which of the following is not true?

the following number line

  1. B is greater than -10
  2. A is greater than 0
  3. B is greater than A
  4. A is smaller than 0

Answer: 2

13. The multiplicative inverse of 7 is…..

  1. 1
  2. -7
  3. 1/7
  4. -1/7

Answer: 3

14. If ★,〇,■,△ , A represent some integers on numbers line, then the ascending order of these numbers is

  1. ★ ■ △ 〇
  2. 〇 △ ★ ■
  3. 〇  ★  ■ △
  4. △ ★ ■ 〇

Answer: 2

ascending order of these numbers is

15. When -12 is divided by ……,the quotient is 4.

  1. -3
  2. 3
  3. 2
  4. -2

Answer: 1

16. …… – (-2024) = 0

  1. 2024
  2. 1
  3. -2024
  4. 0

Answer: 4

17. A boy standing in the middle of a staircase, goes down by 3 steps and then goes up by 10 steps,Now the step at which he is….

  1. 5
  2. 8
  3. -8
  4. -5

Answer: 2

18. [(-5) +…..] +……=…..+ [(-2) +…..] = -10

  1. 2, -3, 5, -3
  2. 2, 3, -5, 3
  3. -2, -3, -5, -3
  4. 2, 3, 5, 3

Answer: 3

19. On the following number line, (-2) 4 is represented by the point…..

On the following number line, (-2) 4

  1. B
  2. D
  3. A
  4. E

Answer: 1

20. (-6) + (-6) + (-6) + (-6) + (-6) =….. x(-6)

  1. 1
  2. -6
  3. 6
  4. 5

Answer: 4

21. (-52) x (-99) + 52 is equal to ……

  1. -5148
  2. -5200
  3. 5148
  4. 5200

Answer: 4

22. The odd one of the following.

  1. (0,-2)
  2. (-3,-5)
  3. (5,-5)
  4. (-1,-1)

Answer: 3

23. If x, y are two integers, then which of the following may not be an integer ?

  1. x + y
  2. x-y
  3. xxy
  4. x + y

Answer: 1

24. Which of the following shows the maximum raise in the temparature ?

  1. 5°C to 15° C
  2. -5°C to 6°C
  3. -2°C to -10°C
  4. -5°C to 0°C

Answer: 2

25. In a test of 20 questions, + 2 marks are given for every correct answer and -1 mark for every wrong answer. Rani attempted all questions and got 25 marks in total, then the no.of questions she answered incorrectly……

  1. 10
  2. 15
  3. 5
  4. 8

Answer: 2

26. Successor of -15 is

  1. -11
  2. -16
  3. -14
  4. -12

Answer: 2

27. (a + b) + c = a + (b + c) for all integers a,b and c. This property is

  1. closure
  2. commutative
  3. distributive
  4. associative

Answer: 4

28. 8 + (-7)- (-4) =….

  1. 3
  2. 5
  3. 11
  4. 19

Answer: 2

Punjab State Board Class 7 Maths Chapter 1 Integers Solutions

29. (-5) x (-4) x (-3) x (-2) x (—1) =

  1. 120
  2. -120
  3. 60
  4. -60

Answer: 2

30. If a = -10;b =1; c =1 then a + (b + c)=

  1. -5
  2. 5
  3. -10
  4. -9

Answer: 1

31. The additive inverse of (-a) is

  1. 1/a
  2. -1/a
  3. -a
  4. a

Answer: 4

32. (-1)x (-1)x (-1) x (-1) x (-1) =

  1. 5
  2. -5
  3. -1
  4. 1

Answer: 3

33. (-3) x….. = 27

  1. 9
  2. -9
  3. 24
  4. -24

Answer: 2

34. The opposite of 5 km northis

  1. 5 km south
  2. 5 km east
  3. 5 km north
  4. None

Answer: 1

35. Apair of integers whose difference is -5

  1. 9,4
  2. 9,-4
  3. -9,-4
  4. -9,4

Answer: 3

36. Choose the correct matching: ( )

Column -I                                   Column -II

i) (132) + (-12) =         (   )                a) 49
ii) (-144) + (16) =        (   )                b) 8
iii) (-32)- (-4) =            (   )                c) (-9)
iv) 196 + 4 =                (   )                d) (-11)

  1. i-b,ii – a,iii – c, iv – d
  2. i – a,ii -b,iii – d, iv.- c
  3. i – d,ii – c,iii -b, iv – a
  4. i- c,ii – d,iii – a, iv -b

Answer: 3

37. What should be multiplied by (-12) in order to get 180 ?

  1. 15
  2. -15
  3. 16
  4. -16

Answer: 2

PSEB Class 7 Maths Integers Solutions

38. If the total of two integersis (-53) and one of themis 9, find the otherinteger.

  1. -52
  2. 62
  3. -62
  4. 72

Answer: 3

39. Which integer do we get in (-8)÷(-2)?

  1. Positive
  2. Negative
  3. Zero
  4. None

Answer: 1

40. Subtract -222 from (-666)

  1. 600
  2. -660
  3. -444
  4. 444

Answer: 3

41. The difference of an integer P and (-8) is 6. What is the value of ‘P’?

  1. -2
  2. 2
  3. -14
  4. 14

Answer: 1

42. What is the value of 8 x (-7) + (-7)x9?

  1. -119
  2. 119
  3. -7
  4. 7

Answer: 1

43. (-25) x 8 + (-25) x 12 =……….

  1. -200
  2. -500
  3. -300
  4. None

Answer: 2

44. (17) x (-12) + (19) x (-12) =….

  1. -232
  2. -332
  3. -432
  4. None

Answer: 3

Class 7 Maths Chapter 1 Integers Questions and Answers

45. (?) ÷ (-18) = -7

  1. -126
  2. -136
  3. 126
  4. 226

Answer: 3

46. Choose the correct matching:

Column -I                                                                           Column -II

i) 5 + (0) = 5                              (   )                        a) Distributive property
ii) x(1) = x- (1)x                         (   )                        b) Closure in multiplication
iii)2x(3 + 4) = (2×3) + (2×4)     (   )                        c) Identityin addition
iv) 6(4) = 24                               (   )                        d) Identityin multiplication

  1. i-a,ii-b,iii-c,iv-d
  2. i – c,ii – d,iii – a,iv -b
  3. i-b,ii- d,iii – c,iv- a
  4. i- a,ii – c,iii – d,iv -b

Answer: 2

47. Choose the correct matching:

Column -1                      Column -II

-26 is               (   )           left side of 3
20 is                (   )           right side of -4
0 is                  (   )           bigger than -38
-2 is                (   )            lesser than 25

  1. i – a,ii – b,iii – c,iv – d
  2. i – b,ii – c,iii – d, iv – a
  3. i – c,ii – d,iii – a,iv – b
  4. i – d,ii – c,iii – a,iv – b

Answer: 3

48. What do we call the set of negative numbers and whole numbers?

  1. Natural numbers
  2. Integers
  3. Positive numbers
  4. The set of whole numbers

Answer: 2

49. Which of the following is the smallest positive integer?

  1. 0
  2. 100
  3. 1
  4. 9

Answer: 3

50. Which of the following is true with respect to -28 and -32?

  1. -28 <-32
  2. -28=-32
  3. -32 > -28
  4. -28>-32

Answer: 4

51. What is the smallest negative integer?

  1. -1
  2. -10
  3. 0
  4. Does not exist

Answer: 4

Class 7 Maths Chapter 1 Integers Questions and Answers

52. What is the identity element with respect to subtraction in integers?

  1. 0
  2. 1
  3. -1
  4. Does not exist

Answer: 1

53. Team P scored -40, 10, 0 and Team Q scored 10, 0, -40 in three successive rounds. Which team scored more ?

  1. P team
  2. Q team
  3. P team get 50 more runs
  4. Both are equal

Answer: 4

54. (-5) + (-8) = (-8) +………..= -13 Which property is used to solve this problem ?

  1. Associative
  2. Closure
  3. Commutative
  4. Distributive

Answer: 3

55. What is the multiplicative identity of integers?

  1. 0
  2. -1
  3. 1
  4. 4

Answer: 3

56. Write the additive inverse of the following (i) -100, (ii) 72 ( )

  1. 100, 72
  2. -100,72
  3. 100, -72
  4. -100,-72

Answer: 3

57 What should be subtracted from -2 to get -17?

  1. -15
  2. 15
  3. -19
  4. 19

Answer: 2

58. What is the additive inverse of [(-2) x (-7)] ?

  1. 1/4
  2. 1/14
  3. 14
  4. -14

Answer: 4

59. By how much 5 exceeds -5?

  1. 10
  2. -10
  3. 5
  4. None

Answer: 1

60. What is the nature of the product of a negative integer by itself odd number of times?

  1. Positive
  2. Negative
  3. Non-negative
  4. Can not be determined

Answer: 2

61. If the dividend and the divisor have like (same) signs, what is the sign of the quotient?

  1. Positive
  2. Negative
  3. Zero
  4. Indeterminate.

Answer: 1

PSEB Class 7 Maths Chapter 1 Solutions

62. What is the opposite of earning 100?

  1. + 100
  2. Profit of 100
  3. Gain of 100
  4. Spending of 100

Answer: 4

63. How is the withdrawl of 200 represented ?

  1. Depositing of? 200
  2. -200
  3. 200
  4. -200

Answer: 2

Read the below table and answer the following questions. (36 – 65)

Read the below tabic and answer the following questions

64. Which property involves in the above table ?

  1. Closure
  2. Commutative
  3. Associative
  4. Identity

Answer: 1

65. Which of the following statement is true according to the table?

  1. Whole numbers are commutative
  2. Whole numbers are closure
  3. Integers are associative
  4. Integers are distributive

Answer: 2

Observe the table and answer the following questions (66 – 67).

Observe the table and answer the following questions

66. Fill the blank with appropriate number 9 + …….= 2 + 9 = 11

  1. 9
  2. 2
  3. 11
  4. 0

Answer: 2

67. Which property was represented by this table ?

  1. Commutative
  2. Closure
  3. Identity
  4. Inverse

Answer: 1

68. Ramu added by mistake 7 to 13 instead of 13 to 7. What is his answer ?

  1. 6
  2. 20
  3. 0
  4. 17

Answer: 2

69. In a quiz, positive marks were given for correct answers and negative marks for incorrect answers. If Guru’s scores in five successive rounds were 35, -10, -15, 20 and 5, what is his total score at the end?

  1. 25
  2. 35
  3. 45
  4. 55

Answer: 2

70. A lift descends into an underground floor at the rate of 6 meters per minute. If the decent starts from 10 meters above the ground level, how much time will it take to descend 350 meters?

  1. 30 min.
  2. 50 min.
  3. 1 hour
  4. 1 hour 30 min.

Answer: 3

PSEB Class 7 Maths Chapter 1 Solutions

71. A plane is flying at the height of 5000 m above the sea level. At a particular point it is exactly above a submarine floating 1200 m below the sea level. What is the vertical distance between them?

  1. 5200 m
  2. – 5200 m
  3. 6200 m
  4. -6200 m

Answer: 3

72. At Srinagar, temperature was -5° C on Monday and then it dropped by 2° C on Tuesday.On next dayit rose by 4 0 C then what was the temperature on Wednesday at Srinagar?

  1. -7° C
  2. 11° C
  3. -11°C
  4. -3° C

Answer: 4

73. Anu deposits Rs. 2000 per month in her account for six months as savings. But when she is in need she withdraw Rs.1600 and once again she withdraws Rs. 5000 from her account. If withdrawal of amount is represented by (-ve) sign and deposition by (+ve) sign what is the present position of her account?

  1. – 1200
  2. + 5400
  3. + 6600
  4. – 5000

Answer: 2

74. A cement company earns a profit of 8 per bag of white cement sold and a loss of 5 per bag of grey cement sold. The company sells 3000 bags of white cement and 5000 bags of grey cement in a month.What is its profit or loss ?

  1. 1000 loss
  2. 1200 loss
  3. 1000 profit
  4. 1200 profit

Answer: 1

75. What is x here ?

  1. 36
  2. -36
  3. 27
  4. 45

What is x here in the table

Answer: 1

76. Fill? with appropriate value. ( )

  1. 8/2
  2. -1/4
  3. -4
  4. 1/4

Fill with appropriate value in the table

Answer: 2

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